Annotation of loncom/interface/portfolio.pm, revision 1.20

1.3       banghart    1: # Copyright Michigan State University Board of Trustees
                      2: #
                      3: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      4: #
                      5: # LON-CAPA is free software; you can redistribute it and/or modify
                      6: # it under the terms of the GNU General Public License as published by
                      7: # the Free Software Foundation; either version 2 of the License, or 
                      8: # (at your option) any later version.
                      9: #
                     10: # LON-CAPA is distributed in the hope that it will be useful,
                     11: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     12: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     13: # GNU General Public License for more details.
                     14: #
                     15: # You should have received a copy of the GNU General Public License
                     16: # along with LON-CAPA; if not, write to the Free Software
                     17: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     18: #
                     19: # /home/httpd/html/adm/gpl.txt
                     20: #
                     21: # http://www.lon-capa.org/
                     22: #
                     23: 
1.1       banghart   24: package Apache::portfolio;
                     25: use strict;
                     26: use Apache::Constants qw(:common :http);
1.2       banghart   27: use Apache::loncommon;
1.1       banghart   28: use Apache::lonnet;
1.2       banghart   29: use Apache::lontexconvert;
                     30: use Apache::lonfeedback;
                     31: use Apache::lonlocal;
1.16      banghart   32: 
                     33: # receives a file name and path stub from username/userfiles/portfolio/
                     34: # returns an anchor tag consisting encoding filename and currentpath
1.10      banghart   35: sub makeAnchor{
1.8       albertel   36:     my ($fileName, $currentPath) = @_;
                     37:     my $anchor = '<a href="/adm/portfolio?selectfile='.$fileName.'&currentpath='.$currentPath.'">'.$fileName.'</a>';
                     38:     return $anchor;
1.6       banghart   39: }
1.16      banghart   40: 
                     41: # returns html with <br /> separated contents of the directory
                     42: # returns a <strong>currentFile</strong> (bolds the selected file/dir)
1.6       banghart   43: sub displayDirectory {
1.16      banghart   44:     my ($currentPath, $currentFile, @dirList,) = @_;
1.10      banghart   45:     my $displayOut='';  
1.8       albertel   46:     my $fileName;
                     47:     my $upPath;
1.10      banghart   48:     if ($currentPath ne '/'){
                     49:         $displayOut = 'Listing of '.$currentPath.'<br /><hr />'.
                     50:         # provides the "up one directory level" function
                     51:         # it means shortening the currentpath to the parent directory
                     52:         $currentPath =~ m:(^/.*)(/.*/$):;
                     53:         if ($1 ne '/'){
                     54:             $upPath = $1.'/';
                     55:         }else{
                     56:             $upPath = $1;
                     57:         }
                     58:         
1.17      banghart   59:         # $displayOut = $displayOut.'<a href="/adm/portfolio?selectfile='.$upPath.'&currentpath='.$upPath.'">..</a><br />';
1.8       albertel   60:     } else {
1.17      banghart   61:         # $displayOut = $displayOut.'at root '.$currentPath.'<br />';
1.8       albertel   62:     }
1.10      banghart   63:     foreach my $line (@dirList) {
                     64:     	#$strip holds directory/file name
                     65:     	#$dom 
1.18      banghart   66:     	my ($fileName,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
1.10      banghart   67:         if (($fileName ne '.') && ($fileName ne '..')){
                     68:             if ($testdir =~ m:^1:){
                     69:                 # handle directories different from files
                     70:                 if ($fileName eq $currentFile){ #checks to bold the selected file
1.18      banghart   71:                     $displayOut.= '<strong>'.(makeAnchor($fileName.'/', $fileName.'/').'</strong><br />'."\n");
1.10      banghart   72:                 }else{
1.18      banghart   73:                     $displayOut.= (makeAnchor($fileName.'/', $fileName.'/').'<br />'."\n");
1.10      banghart   74:                 }
                     75:             }else{
                     76:                 if ($fileName eq $currentFile){ #checks to bold the selected file
1.18      banghart   77:                     $displayOut.='<strong>'.(makeAnchor($fileName, $currentPath).'</strong><br />'."\n");
1.10      banghart   78:                 }else{
1.18      banghart   79:                     $displayOut.=(makeAnchor($fileName, $currentPath).'<br />'."\n");
1.10      banghart   80:                 }
                     81:             }
1.16      banghart   82:             
1.10      banghart   83:         }
                     84:     	
1.8       albertel   85:     }
                     86:     return $displayOut;
1.6       banghart   87: }
                     88: sub displayActions {
1.10      banghart   89:     # returns html to offer user appropriate actions depending on selected file/directory
1.8       albertel   90:     my $displayOut;
1.16      banghart   91:     my ($currentPath, $currentFile, $isEmpty) = @_;
1.8       albertel   92: #   $displayOut = 'here are actions for '.$currentFile;
1.10      banghart   93:     if ($currentFile =~ m:/$:){
                     94:         # if the selected file is a directory, these are the options
                     95:         # offer the chance to delete the directory only if it is empty
                     96:         if ($isEmpty && ($currentPath ne '/')) {
                     97:             $displayOut =   $displayOut.'<form method="POST">
                     98:             <input type="hidden" name="selectfile" 
                     99:             value="'.$currentFile.'" />
                    100:             <input type="hidden" name="fileaction" value="delete" /> 
                    101:             <input type="hidden" name="currentpath" value="'.$currentPath.'" /> 
                    102:             <center>
                    103:             <input type="submit" 
                    104:             value="Delete '.$currentFile.'" />
                    105:             </center>
                    106:             </form>';
                    107:         } 
                    108:         if ($currentPath ne '/') {
                    109:             $displayOut = $displayOut.'<hr />
                    110:             <form method="POST">
                    111:             <input type="hidden" name="selectfile" 
                    112:             value="'.$currentFile.'" />
                    113:             <input type="hidden" name="fileaction" value="rename" /> 
                    114:             <input type="hidden" name="currentpath" value="'.$currentPath.'" /> 
                    115:             <input type="input" name="filenewname" value="Type new name here" /> 
                    116:             <input type="submit" 
                    117:             value="Rename '.$currentFile.'" />
                    118:             </form>';
                    119:         }
                    120:     }else{  #action options offered for files
                    121:         $displayOut = $displayOut.'<form method="POST">';
                    122:         $displayOut = $displayOut.'<input type="hidden" name="selectfile"';
                    123:         $displayOut = $displayOut.'value="'.$currentFile;
                    124:         $displayOut = $displayOut.'" /><input type="hidden" name="fileaction" value="delete" /> 
                    125:         <input type="hidden" name="currentpath" value="'.$currentPath.'" /> 
                    126:         <center>
                    127:         <input type="submit"
                    128:         value="Delete '.$currentFile.'" />
                    129:         </center>
                    130:         </form>';
                    131:     
                    132:         $displayOut = $displayOut.'<hr />
                    133:         <form method="POST">
                    134:         <input type="hidden" name="selectfile" 
                    135:         value="'.$currentFile.'" />
                    136:         <input type="hidden" name="fileaction" value="rename" /> 
                    137:         <input type="hidden" name="currentpath" value="'.$currentPath.'" /> 
                    138:         <input type="input" name="filenewname" value="Type new name here" /> 
                    139:         <input type="submit" 
                    140:         value="Rename '.$currentFile.'" />
                    141:         </form>
                    142:         <hr />';
1.8       albertel  143:     }
1.10      banghart  144:     $displayOut = $displayOut.'<hr />Add a file to '.$currentPath;
1.8       albertel  145:     # file upload form 
                    146:     $displayOut = $displayOut.'<form method="post" enctype="multipart/form-data">';
1.9       albertel  147:     $displayOut = $displayOut.'<input name="uploaddoc" type="file" />'.
1.10      banghart  148:         '<input type="hidden" name="currentpath" value="'.$currentPath.'" />'.
                    149:         '<input type="submit" name="storeupl" value="Upload" />'.
                    150:         '</form><hr />';
1.8       albertel  151:     $displayOut = $displayOut.'<form method="POST">
1.10      banghart  152:         <input name="subdir" type="text" />
                    153:         <input type="submit" value="Create Subdirectory" />
                    154:         </form>
                    155:             ';
1.8       albertel  156:     return $displayOut;
1.6       banghart  157: }
1.1       banghart  158: sub handler {
1.8       albertel  159:     # this handles file management
1.10      banghart  160:     my $r = shift;
1.18      banghart  161:     my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.8       albertel  162:     my @dirList; # will hold directory listing as array
                    163:     my $udir; # returned from home server
                    164:     my $currentPath; # path assuming /userfiles/portfolio/ as root
                    165:     my $currentFile; # directory or file contained in $pathToRoot.$currentPath
                    166:     my $action; # delete, rename, makedirectory, removedirectory,
                    167:     my $filenewname; # for rename action (guess what we do with it!)
                    168:     my $isFile;
1.10      banghart  169:     my $isEmpty;
1.18      banghart  170:     my $dirptr=16384;
1.10      banghart  171:     &Apache::loncommon::no_cache($r);
1.14      banghart  172:     &Apache::loncommon::content_type($r,'text/html');
1.8       albertel  173:     $r->send_http_header;
1.14      banghart  174:     # Give the LON-CAPA page header
                    175:     $r->print('<html><head><title>'.
                    176:               &mt('Portfolio Manager').
                    177:               "</title></head>\n".
                    178:               &Apache::loncommon::bodytag('Portfolio Manager'));
                    179:     $r->rflush();
1.8       albertel  180:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.10      banghart  181:                                             ['selectfile','currentpath', 'currentfile']);
1.8       albertel  182:     # currentPath and currentFile need to be set for the rest of things to happen
                    183:     # sometimes, currentFile will be passed by a form field, selectedfile
                    184:     # if there is no 'form.selectedfile' then the current directory is 
                    185:     # considered as selected 
1.11      banghart  186:     if ($ENV{'form.currentpath'}) {
1.10      banghart  187:         $currentPath = $ENV{'form.currentpath'};
1.11      banghart  188:     } else {
1.10      banghart  189:         $currentPath = '/';
1.8       albertel  190:     }
1.11      banghart  191:     if ($ENV{'form.selectfile'}) {
1.10      banghart  192:         # have to check if the selected file is a subdirectory
                    193:         if ($ENV{'form.selectfile'} =~ /-\(Dir\)/){
                    194:             # $currentPath =~ /\-\(Dir\)/;
                    195:             $currentPath = $`.'/';
                    196:             $r->print('<br />'.$currentPath.'<br />');
                    197:         }
                    198:         $currentFile = $ENV{'form.selectfile'};
1.11      banghart  199:     } else {
1.10      banghart  200:         $currentFile = '';
1.8       albertel  201:     }
                    202:     # if we're uploading a file, we need to do it early so it will show in the directory list
1.11      banghart  203:     if ($ENV{'form.uploaddoc.filename'}) {
                    204:         $r->print($ENV{'form.storeupl'}.'<br />');
                    205:         $r->print(&Apache::lonnet::userfileupload('uploaddoc','','portfolio'.$currentPath).'<br />');  
1.8       albertel  206:     }
                    207:     # similarly, we need to delete or rename files before getting directory list
1.10      banghart  208:     if ($ENV{'form.selectfile'}){
1.11      banghart  209:         if ($ENV{'form.fileaction'} eq 'delete') {
1.10      banghart  210:             $r->print('<br />trying to delete '.$currentPath.$ENV{'form.selectfile'}.'<br />');
                    211:             $r->print(&Apache::lonnet::removeuserfile($ENV{'user.name'}, $ENV{'user.domain'},'portfolio'.$currentPath.$ENV{'form.selectfile'}));
                    212:             $currentFile = '';
1.11      banghart  213:         } elsif ($ENV{'form.fileaction'} eq 'rename') {
1.10      banghart  214:             &Apache::lonnet::portfoliomanage($currentPath.$ENV{'form.selectfile'}, 'rename', $currentPath.$ENV{'form.filenewname'} );
                    215:         }
1.8       albertel  216:     }
                    217:     # we always need $dirList, plus this will return information about the current file
1.18      banghart  218:     # as well as information about the home server directory structure, specifically
1.10      banghart  219:     # the path to the users userfiles directory.    
1.16      banghart  220:     # 
1.15      albertel  221:     my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
                    222: 						     $ENV{'user.name'}).
1.19      banghart  223: 						       '/userfiles/portfolio';
1.18      banghart  224:     @dirList = &Apache::lonnet::dirlist($currentPath,  $ENV{'user.domain'}, $ENV{'user.name'}, $portfolio_root);
1.16      banghart  225:     
1.12      banghart  226:     if (@dirList == 2) { # need to know if directory is empty so it can be removed if desired
1.10      banghart  227:         $isEmpty = 1;
1.13      banghart  228:     } else {
1.10      banghart  229:         $isEmpty = 0;
                    230:     }
1.16      banghart  231:    
1.11      banghart  232:     if ($ENV{'form.selectfile'}) {
                    233:         if ($ENV{'form.fileaction'} eq 'delete') {
1.10      banghart  234:             &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'delete', undef );
                    235:             $ENV{'portfolio.file'} = 'Selected File Deleted';
1.11      banghart  236:         } elsif ($ENV{'form.fileaction'} eq 'rename') {
                    237:             &Apache::lonnet::portfoliomanage($ENV{'form.selectfile'}, 'rename', $ENV{'form.filenewname'});
                    238:         } else {
1.10      banghart  239:         # Remember user's file selection for later
                    240:         $ENV{'portfolio.file'} = $ENV{'form.selectfile'};
                    241:         # offer things user can do with selected file
                    242:         }
                    243:     }else{
                    244:         unless ($ENV{'portfolio.file'}){
                    245:             $ENV{'portfolio.file'} = 'No File Selected';
                    246:         }
1.8       albertel  247:     }
                    248:     ##############################
                    249:     #
                    250:     # Display begins here
                    251:     #
                    252:     ##############################
1.20    ! banghart  253:     $r->print('<table border="0" cellspacing="2" cellpadding="2"><tr valign="middle">');
        !           254:     $r->print('<td bgcolor="#ccddaa" align="center">');
        !           255:     my $displayOut = '<form method="post" enctype="multipart/form-data">';
        !           256:     $displayOut = $displayOut.'<input name="uploaddoc" type="file" />'.
        !           257:         '<input type="hidden" name="currentpath" value="'.$currentPath.'" />'.
        !           258:         '<input type="submit" name="storeupl" value="Upload" />'.
        !           259:         '</form>';
        !           260:     $r->print($displayOut);
        !           261: 	$r->print('</td></tr></table>');	  
1.19      banghart  262:     my @tree = split (/\//,$currentPath);
                    263:     $r->print('<font size="+2">'.makeAnchor('portfolio','/').'/');
                    264:     if (@tree > 1){
                    265:         my $newCurrentPath = '';
                    266:         for (my $i = 1; $i< @tree; $i++){
                    267:             $newCurrentPath .= $tree[$i].'/';
                    268:             $r->print(makeAnchor($tree[$i],'/'.$newCurrentPath).'/');
                    269:         }
                    270:     }
                    271:     $r->print('</font>');
1.18      banghart  272:     $r->print('<table border="0" cellspacing="2" cellpadding="2">'.
                    273:             '<tr><th>&nbsp;</th><th>Actions</th><th>Name</th><th>Title</th><th>Status</th><th>Last Modified</th></tr>');
                    274:     foreach my $line (@dirList) {
                    275:     	#$strip holds directory/file name
                    276:     	#$dom 
                    277:     	my ($fileName,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
1.19      banghart  278:     	if (($fileName ne '.') && ($fileName ne '..')){
                    279:             if ($dirptr&$testdir){
                    280:                 $r->print('<tr bgcolor="#FFAA99"><td><img src="'.$iconpath.'folder_closed.gif"></td>');
                    281:                 $r->print('<td>Go to ...</td>');
                    282:                 $r->print('<td>'.makeAnchor($fileName.'/',$currentPath.$fileName.'/').'</td>'); 
                    283:                 $r->print('</tr>'); 
                    284:             }else{
                    285:                 $r->print('<tr bgcolor="#CCCCFF"><td><img src="'.$iconpath.'unknown.gif"></td>');
                    286:                 $r->print('<td>Edit</td>');
                    287:                 $r->print('<td>'.$fileName.'</td>'); 
                    288:                 $r->print('<td>Title Here</td>');
                    289:                 $r->print('<td>Status Here</td>');
                    290:                 $r->print('<td>Modified Here</td>');
                    291:                 $r->print('</tr>'); 
                    292:             }
1.18      banghart  293:         }
                    294:     }
                    295: #   <tr bgcolor="#FFAA99"> pink bg 
                    296: #   <tr bgcolor="#CCCCFF"> blue bg            
                    297: #   $r->print(displayDirectory($currentPath, $currentFile, @dirList));
                    298: #    $r->print('</td>><td>');
                    299: #   $r->print(displayActions($currentPath, $currentFile, $isEmpty));
                    300:     $r->print('</table>');
1.14      banghart  301:     $r->print('</blockquote>');
                    302:     $r->print("</body>\n</html>\n");
                    303:     $r->rflush();
1.8       albertel  304:     return OK;
1.2       banghart  305: }
1.1       banghart  306: 
                    307: 1;
                    308: __END__

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